71292900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 144

約数和(自身を含む): 249734016

約数和(自身を除く): 178441116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 850, 1020, 1050, 1190, 1275, 1428, 1700, 1785, 1997, 2100, 2380, 2550, 2975, 3570, 3994, 5100, 5950, 5991, 7140, 7988, 8925, 9985, 11900, 11982, 13979, 17850, 19970, 23964, 27958, 29955, 33949, 35700, 39940, 41937, 49925, 55916, 59910, 67898, 69895, 83874, 99850, 101847, 119820, 135796, 139790, 149775, 167748, 169745, 199700, 203694, 209685, 237643, 279580, 299550, 339490, 349475, 407388, 419370, 475286, 509235, 599100, 678980, 698950, 712929, 838740, 848725, 950572, 1018470, 1048425, 1188215, 1397900, 1425858, 1697450, 2036940, 2096850, 2376430, 2546175, 2851716, 3394900, 3564645, 4193700, 4752860, 5092350, 5941075, 7129290, 10184700, 11882150, 14258580, 17823225, 23764300, 35646450, 71292900]

約数ペア:

[(1, 71292900), (2, 35646450), (3, 23764300), (4, 17823225), (5, 14258580), (6, 11882150), (7, 10184700), (10, 7129290), (12, 5941075), (14, 5092350), (15, 4752860), (17, 4193700), (20, 3564645), (21, 3394900), (25, 2851716), (28, 2546175), (30, 2376430), (34, 2096850), (35, 2036940), (42, 1697450), (50, 1425858), (51, 1397900), (60, 1188215), (68, 1048425), (70, 1018470), (75, 950572), (84, 848725), (85, 838740), (100, 712929), (102, 698950), (105, 678980), (119, 599100), (140, 509235), (150, 475286), (170, 419370), (175, 407388), (204, 349475), (210, 339490), (238, 299550), (255, 279580), (300, 237643), (340, 209685), (350, 203694), (357, 199700), (420, 169745), (425, 167748), (476, 149775), (510, 139790), (525, 135796), (595, 119820), (700, 101847), (714, 99850), (850, 83874), (1020, 69895), (1050, 67898), (1190, 59910), (1275, 55916), (1428, 49925), (1700, 41937), (1785, 39940), (1997, 35700), (2100, 33949), (2380, 29955), (2550, 27958), (2975, 23964), (3570, 19970), (3994, 17850), (5100, 13979), (5950, 11982), (5991, 11900), (7140, 9985), (7988, 8925)]